EP3819598A4 - Optisches zeitbereichsreflektometer und optische anordnung mit optischer zeitbereichsreflektionsfunktion - Google Patents

Optisches zeitbereichsreflektometer und optische anordnung mit optischer zeitbereichsreflektionsfunktion Download PDF

Info

Publication number
EP3819598A4
EP3819598A4 EP18927946.6A EP18927946A EP3819598A4 EP 3819598 A4 EP3819598 A4 EP 3819598A4 EP 18927946 A EP18927946 A EP 18927946A EP 3819598 A4 EP3819598 A4 EP 3819598A4
Authority
EP
European Patent Office
Prior art keywords
optical
domain
optical time
reflection function
time
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
EP18927946.6A
Other languages
English (en)
French (fr)
Other versions
EP3819598A1 (de
Inventor
Jingran KANG
Huafeng Lin
Xiaofei Zeng
Yuanmou LI
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Huawei Technologies Co Ltd
Original Assignee
Huawei Technologies Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Huawei Technologies Co Ltd filed Critical Huawei Technologies Co Ltd
Publication of EP3819598A1 publication Critical patent/EP3819598A1/de
Publication of EP3819598A4 publication Critical patent/EP3819598A4/de
Pending legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
    • G01M11/00—Testing of optical apparatus; Testing structures by optical methods not otherwise provided for
    • G01M11/30—Testing of optical devices, constituted by fibre optics or optical waveguides
    • G01M11/31—Testing of optical devices, constituted by fibre optics or optical waveguides with a light emitter and a light receiver being disposed at the same side of a fibre or waveguide end-face, e.g. reflectometers
    • G01M11/3109—Reflectometers detecting the back-scattered light in the time-domain, e.g. OTDR
    • G01M11/3145—Details of the optoelectronics or data analysis
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01D—MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
    • G01D5/00—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable
    • G01D5/26—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable characterised by optical transfer means, i.e. using infrared, visible, or ultraviolet light
    • G01D5/32—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable characterised by optical transfer means, i.e. using infrared, visible, or ultraviolet light with attenuation or whole or partial obturation of beams of light
    • G01D5/34—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable characterised by optical transfer means, i.e. using infrared, visible, or ultraviolet light with attenuation or whole or partial obturation of beams of light the beams of light being detected by photocells
    • G01D5/353—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable characterised by optical transfer means, i.e. using infrared, visible, or ultraviolet light with attenuation or whole or partial obturation of beams of light the beams of light being detected by photocells influencing the transmission properties of an optical fibre
    • G01D5/35338—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable characterised by optical transfer means, i.e. using infrared, visible, or ultraviolet light with attenuation or whole or partial obturation of beams of light the beams of light being detected by photocells influencing the transmission properties of an optical fibre using other arrangements than interferometer arrangements
    • G01D5/35354—Sensor working in reflection
    • G01D5/35358—Sensor working in reflection using backscattering to detect the measured quantity
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
    • G01M11/00—Testing of optical apparatus; Testing structures by optical methods not otherwise provided for
    • G01M11/30—Testing of optical devices, constituted by fibre optics or optical waveguides
    • G01M11/31—Testing of optical devices, constituted by fibre optics or optical waveguides with a light emitter and a light receiver being disposed at the same side of a fibre or waveguide end-face, e.g. reflectometers
    • G01M11/3109—Reflectometers detecting the back-scattered light in the time-domain, e.g. OTDR
    • G01M11/3136—Reflectometers detecting the back-scattered light in the time-domain, e.g. OTDR for testing of multiple fibers
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
    • G01M11/00—Testing of optical apparatus; Testing structures by optical methods not otherwise provided for
    • G01M11/30—Testing of optical devices, constituted by fibre optics or optical waveguides
    • G01M11/31—Testing of optical devices, constituted by fibre optics or optical waveguides with a light emitter and a light receiver being disposed at the same side of a fibre or waveguide end-face, e.g. reflectometers
    • G01M11/3109—Reflectometers detecting the back-scattered light in the time-domain, e.g. OTDR
    • G01M11/3154—Details of the opto-mechanical connection, e.g. connector or repeater
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B27/00—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00
    • G02B27/10—Beam splitting or combining systems
    • G02B27/1006—Beam splitting or combining systems for splitting or combining different wavelengths
    • G02B27/1013—Beam splitting or combining systems for splitting or combining different wavelengths for colour or multispectral image sensors, e.g. splitting an image into monochromatic image components on respective sensors
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B10/00—Transmission systems employing electromagnetic waves other than radio-waves, e.g. infrared, visible or ultraviolet light, or employing corpuscular radiation, e.g. quantum communication
    • H04B10/07—Arrangements for monitoring or testing transmission systems; Arrangements for fault measurement of transmission systems
    • H04B10/071—Arrangements for monitoring or testing transmission systems; Arrangements for fault measurement of transmission systems using a reflected signal, e.g. using optical time domain reflectometers [OTDR]

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Electromagnetism (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Optical Couplings Of Light Guides (AREA)
  • Investigating Or Analysing Materials By Optical Means (AREA)
EP18927946.6A 2018-07-27 2018-07-27 Optisches zeitbereichsreflektometer und optische anordnung mit optischer zeitbereichsreflektionsfunktion Pending EP3819598A4 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/CN2018/097606 WO2020019327A1 (zh) 2018-07-27 2018-07-27 一种光时域反射仪及具有光时域反射功能的光组件

Publications (2)

Publication Number Publication Date
EP3819598A1 EP3819598A1 (de) 2021-05-12
EP3819598A4 true EP3819598A4 (de) 2021-07-14

Family

ID=69181168

Family Applications (1)

Application Number Title Priority Date Filing Date
EP18927946.6A Pending EP3819598A4 (de) 2018-07-27 2018-07-27 Optisches zeitbereichsreflektometer und optische anordnung mit optischer zeitbereichsreflektionsfunktion

Country Status (4)

Country Link
US (1) US20210148786A1 (de)
EP (1) EP3819598A4 (de)
CN (1) CN112368549A (de)
WO (1) WO2020019327A1 (de)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP4215964A1 (de) * 2022-01-20 2023-07-26 Ezconn Corporation Optische vorrichtung
EP4283355A1 (de) * 2022-05-17 2023-11-29 Ezconn Corporation Optische übertragungsvorrichtung

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA1334055C (en) * 1989-09-29 1995-01-24 Mark Adrian Jozefowicz Optical interference structures incorporating porous films
US20060027459A1 (en) * 2004-05-28 2006-02-09 Lake Shore Cryotronics, Inc. Mesoporous silicon infrared filters and methods of making same
EP2953278A2 (de) * 2013-02-22 2015-12-09 ZTE Corporation Optische sende-empfangsvorrichtung und verfahren

Family Cites Families (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2513127Y (zh) * 2001-10-30 2002-09-25 福州康顺光通讯有限公司 单纤双向收发模块
JP4015440B2 (ja) * 2002-02-26 2007-11-28 日本オプネクスト株式会社 光通信モジュール
CN2676502Y (zh) * 2004-03-08 2005-02-02 武汉光迅科技有限责任公司 三端口单纤双向器件
CN101814954B (zh) * 2010-04-14 2015-06-03 武汉高思光电科技有限公司 一种光时域反射装置
CN202334525U (zh) * 2011-11-28 2012-07-11 华为技术有限公司 光网络单元和无源光网络
CN202334536U (zh) * 2011-12-07 2012-07-11 华为技术有限公司 光收发组件和采用该光收发组件的无源光网络系统及设备
CN102714545B (zh) * 2012-02-21 2015-04-08 华为技术有限公司 光收发模块、无源光网络系统、光纤检测方法和系统
CN102971974B (zh) * 2012-03-07 2015-09-23 华为技术有限公司 单纤双向光模块及无源光网络系统
CN202818298U (zh) * 2012-08-10 2013-03-20 华为技术有限公司 嵌入式光时域反射仪及光网络系统
CN104135320B (zh) * 2013-05-02 2016-12-28 深圳新飞通光电子技术有限公司 一种olt光模块的otdr控制电路
CN203519885U (zh) * 2013-09-24 2014-04-02 武汉华工正源光子技术有限公司 内置otdr功能的单光纤双向传输组件
CN203950058U (zh) * 2014-06-24 2014-11-19 上海波汇通信科技有限公司 一种低成本小型化的单纤双向光学组件
CN104076456A (zh) * 2014-06-24 2014-10-01 上海波汇通信科技有限公司 一种小型化的单纤双向光学器件
CN104577708B (zh) * 2014-12-12 2017-06-30 武汉华工正源光子技术有限公司 带背光监控用于高速传输的光组件
KR102127832B1 (ko) * 2015-04-15 2020-06-29 한국전자통신연구원 광선로 감시 장치를 위한 광원 구동 장치 및 방법

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA1334055C (en) * 1989-09-29 1995-01-24 Mark Adrian Jozefowicz Optical interference structures incorporating porous films
US20060027459A1 (en) * 2004-05-28 2006-02-09 Lake Shore Cryotronics, Inc. Mesoporous silicon infrared filters and methods of making same
EP2953278A2 (de) * 2013-02-22 2015-12-09 ZTE Corporation Optische sende-empfangsvorrichtung und verfahren

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of WO2020019327A1 *

Also Published As

Publication number Publication date
US20210148786A1 (en) 2021-05-20
EP3819598A1 (de) 2021-05-12
WO2020019327A1 (zh) 2020-01-30
CN112368549A (zh) 2021-02-12

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